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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_raycasting.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:22:57 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:23:42 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <cub3d.h>
#include <stdint.h>
#include <stdlib.h>
#include <math.h>
#include <pthread.h>
static void
ft_allocate_tabs(uint16_t y_s, uint16_t x_s, t_ray *rl, t_cub *cl)
{
uint16_t y;
uint16_t x;
if (!(rl->wall_dist_tab = (float*)malloc(x_s * sizeof(float))) ||
!(rl->wall_b_tab = (int16_t*)malloc(x_s * sizeof(int16_t))) ||
!(rl->w_side_tab = (uint8_t*)malloc(x_s * sizeof(uint8_t))) ||
!(rl->line_h_tab = (uint16_t*)malloc(x_s * sizeof(uint16_t))) ||
!(rl->wall_t_tab = (int16_t*)malloc(x_s * sizeof(int16_t))) ||
!(rl->tex_x_tab = (int32_t*)malloc(x_s * sizeof(int32_t))) ||
!(rl->fc_tex_x_tab = (int32_t***)malloc(2 * sizeof(int32_t**))) ||
!(rl->fc_tex_y_tab = (int32_t***)malloc(2 * sizeof(int32_t**))) ||
!(rl->row_dist_tab = (float*)ft_calloc(y_s, sizeof(float))))
ft_alloc_error(cl);
x = -1;
while (++x < 2)
{
if (!(rl->fc_tex_x_tab[x] = (int**)malloc(y_s * sizeof(int*))) ||
!(rl->fc_tex_y_tab[x] = (int**)malloc(y_s * sizeof(int*))))
ft_alloc_error(cl);
y = -1;
while (++y < y_s)
if (!(rl->fc_tex_x_tab[x][y] = (int*)malloc(x_s * sizeof(int))) ||
!(rl->fc_tex_y_tab[x][y] = (int*)malloc(x_s * sizeof(int))))
ft_alloc_error(cl);
}
}
static void
ft_precalc_loops(t_cub *cl)
{
uint16_t i;
i = 0;
while (i < cl->wlist.x_size)
{
ft_castray_loop(i, &cl->wlist, cl);
i++;
}
i = (cl->wlist.y_size / 2);
while (i < cl->wlist.y_size)
{
ft_floor_loop(i, cl);
i++;
}
}
static void
ft_del_tabs(t_cub *cl)
{
uint16_t y;
uint16_t x;
x = -1;
while (++x < 2)
{
y = -1;
while (++y < cl->wlist.y_size)
{
ft_memdel((void*)&cl->rlist.fc_tex_x_tab[x][y]);
ft_memdel((void*)&cl->rlist.fc_tex_y_tab[x][y]);
}
ft_memdel((void*)&cl->rlist.fc_tex_x_tab[x]);
ft_memdel((void*)&cl->rlist.fc_tex_y_tab[x]);
}
ft_memdel((void*)&cl->rlist.fc_tex_x_tab);
ft_memdel((void*)&cl->rlist.fc_tex_y_tab);
ft_memdel((void*)&cl->rlist.tex_x_tab);
ft_memdel((void*)&cl->rlist.row_dist_tab);
ft_memdel((void*)&cl->rlist.wall_t_tab);
ft_memdel((void*)&cl->rlist.wall_b_tab);
ft_memdel((void*)&cl->rlist.w_side_tab);
ft_memdel((void*)&cl->rlist.line_h_tab);
ft_memdel((void*)&cl->rlist.wall_dist_tab);
}
void
ft_castray(t_cub *cl)
{
pthread_t tid[2];
ft_allocate_tabs(cl->wlist.y_size, cl->wlist.x_size, &cl->rlist, cl);
ft_precalc_loops(cl);
pthread_create(&tid[0], 0x0, ft_wall_cast, (void*)cl);
pthread_create(&tid[1], 0x0, ft_floor_cast, (void*)cl);
pthread_join(tid[0], 0x0);
pthread_join(tid[1], 0x0);
ft_select_bad_boy_action(cl);
ft_calc_sprite(cl);
if (cl->plist.handles_weapon > -1)
ft_draw_handweap(cl);
ft_del_tabs(cl);
}
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